<template>
  <div class="register">
    <vue-particles
      class="login-bg"
      color="#39AFFD"
      :particleOpacity="0.7"
      :particlesNumber="100"
      shapeType="circle"
      :particleSize="4"
      linesColor="#8DD1FE"
      :linesWidth="1"
      :lineLinked="true"
      :lineOpacity="0.4"
      :linesDistance="150"
      :moveSpeed="3"
      :hoverEffect="true"
      hoverMode="grab"
      :clickEffect="true"
      clickMode="push"
    >
    </vue-particles>
<!--    <div class="left_img">-->
<!--      <img style="width:100%;height: 100%" src="http://ryspnyhk0.hn-bkt.clouddn.com/CachedImage_1920_1080_POS4.jpg">-->
<!--    </div>-->
    <el-form ref="registerForm" :model="registerForm" :rules="registerRules" class="register-form">
      <h3 class="title">注册</h3>
      <el-form-item prop="username">
        <el-input v-model="registerForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="registerForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleRegister"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input
          v-model="registerForm.confirmPassword"
          type="password"
          auto-complete="off"
          placeholder="确认密码"
          @keyup.enter.native="handleRegister"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="registerForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleRegister"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
        </el-input>
        <div class="register-code">
          <img :src="codeUrl" @click="getCode" class="register-code-img"/>
        </div>
      </el-form-item>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleRegister"
        >
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>
        <div style="float: right;">
          <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
        </div>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import {getCodeImg, register} from "@/api/login";

export default {
  name: "Register",
  data() {
    const equalToPassword = (rule, value, callback) => {
      if (this.registerForm.password !== value) {
        callback(new Error("两次输入的密码不一致"));
      } else {
        callback();
      }
    };
    return {
      codeUrl: "",
      registerForm: {
        username: "",
        password: "",
        confirmPassword: "",
        code: "",
        uuid: ""
      },
      registerRules: {
        username: [
          {required: true, trigger: "blur", message: "请输入您的账号"},
          {min: 2, max: 20, message: '用户账号长度必须介于 2 和 20 之间', trigger: 'blur'}
        ],
        password: [
          {required: true, trigger: "blur", message: "请输入您的密码"},
          {min: 5, max: 20, message: '用户密码长度必须介于 5 和 20 之间', trigger: 'blur'}
        ],
        confirmPassword: [
          {required: true, trigger: "blur", message: "请再次输入您的密码"},
          {required: true, validator: equalToPassword, trigger: "blur"}
        ],
        code: [{required: true, trigger: "change", message: "请输入验证码"}]
      },
      loading: false,
      captchaEnabled: true
    };
  },
  created() {
    this.getCode();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = res.img;
          this.registerForm.uuid = res.uuid;
        }
      });
    },
    handleRegister() {
      this.$refs.registerForm.validate(valid => {
        if (valid) {
          this.loading = true;
          register(this.registerForm).then(res => {
            const username = this.registerForm.username;
            this.$alert("<font color='red'>恭喜你，您的账号 " + username + " 注册成功！</font>", '系统提示', {
              dangerouslyUseHTMLString: true,
              type: 'success'
            }).then(() => {
              this.$router.push("/login");
            }).catch(() => {
            });
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          })
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.register {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background: white;
  //background-image: url("../assets/images/login-background.jpg");
  //background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: black;
}

.left_img {
  position: absolute;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  background: rgb(62, 62, 62);
  left: 5%;
  top: 15%;
  width: 60%;
  height: 80%;
  padding: 5px;
}

.register-form {
  position: absolute;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  background: white;
  width: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 25px;

  .el-input {
    height: 38px;

    input {
      background-color: transparent;
      height: 38px;
      color: black;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.register-tip {
  font-size: 13px;
  text-align: center;
  color: black;
}

.register-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-register-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.register-code-img {
  height: 38px;
}
.login-bg {
  width: 100%;
  height: 100%;
  background: rgb(238,238,238);
}
</style>
